Abstract
The production of a pair of charged fermions in the field of a static monopole is studied and the cross section is explicitly computed near the threshold for the process and an estimate is given for a high energy limit. In this process there is the possibility that one of the fermions produced may change its charge, giving rise to the appearance of two equally charged fermions in the final state. The treatment, in which the detailed monopole's dynamics is not contained, can be also considered as a model for describing the nonconservation of other kinds of quantum numbers.
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